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Interstellar polarization at far-infrared through millimeter wavelengths (0.1 - 1 mm) is primarily due to thermal emission from dust grains aligned with magnetic fields. This mechanism has led to studies of magnetic fields in a variety of…

Astrophysics of Galaxies · Physics 2009-04-14 John E. Vaillancourt

This article outlines a method to interpret the extragalactic background light in terms of the large-scale, average properties of galaxies, including the comoving densities of stars and interstellar gas, metals, and dust. These quantities…

Astrophysics · Physics 2007-05-23 S. Michael Fall

Dust grains play a central role in the physics and chemistry of cosmic environments. They influence the optical and thermal properties of the medium due to their interaction with stellar radiation; provide surfaces for the chemical…

Astrophysics of Galaxies · Physics 2021-05-05 Alexey Potapov , Martin McCoustra

One of the most informative techniques of studying magnetic fields in molecular clouds is based on the use of starlight polarization and polarized emission arising from aligned dust. How reliable the interpretation of the polarization maps…

Astrophysics · Physics 2017-01-18 A. Lazarian

Understanding the infrared emission of galaxies is critical to observational and theoretical investigations of the condensation of galaxies out of the intergalactic medium and the conversion of gas into stars over cosmic time. From an…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Cristina C. Popescu , Richard J. Tuffs

In spite of accounting for only a small fraction of the mass of the Interstellar Medium (ISM), dust plays a primary role in many physical and chemical processes in the Universe. It is the main driver of extinction of radiation in the…

Astrophysics of Galaxies · Physics 2026-02-12 G. La Mura , G. Mulas , M. A. Iatì , C. Cecchi-Pestellini , S. Rezaei , R. Saija

This paper develops a few science cases, using the PRIMA far-IR probe, aimed at achieving several breakthroughs in our understanding of the dust properties and their evolution. We argue that the specific observational capabilities of PRIMA,…

The nature of Galactic interstellar extinction is tested using reddening line parameters for several fields in conjunction with equivalent widths $W(\lambda4430)$ for the diffuse interstellar band at $4430$ \AA. The Cardelli et…

Astrophysics of Galaxies · Physics 2015-06-22 David G. Turner , Daniel J. Majaess , David D. Balam

This investigation is aimed at clarifying the nature of the interstellar gas seen in absorption against bright O and B stars. Towards this end we have obtained for the first time HI absorption spectra towards radio sources very close to the…

Astrophysics · Physics 2007-05-23 Jayadev Rajagopal , G. Srinivasan , K. S. Dwarakanath

What might be the most appropriate set of interstellar reference abundances of chemical elements (both in gas and in dust) relative to hydrogen has been a subject of much discussion in the past decade. While historically the Sun has been…

Astrophysics · Physics 2009-11-10 Aigen Li

In recent years it became clear that a population of galaxies radiating most of their power in the far-infrared contribute an important part of the whole star formation activity in the universe. These galaxies emit up to 99% of their energy…

Astrophysics · Physics 2016-01-27 Jean-Loup Puget , Guilaine Lagache , Herve Dole

A new experimental set-up INterStellar Ice-Dust Experiment (INSIDE), was designed for studying cosmic grain analogues represented by ice-coated carbon- and silicate-based dust grains. In the new instrument, we can simulate physical and…

Instrumentation and Methods for Astrophysics · Physics 2019-07-24 Alexey Potapov , Cornelia Jäger , Thomas Henning

Recent studies of the nearest star-forming clouds of the Galaxy at submillimeter wavelengths with the Herschel Space Observatory have provided us with unprecedented images of the initial conditions and early phases of the star formation…

Astrophysics of Galaxies · Physics 2017-10-04 Philippe André

In this paper we discuss the propagation of dust through the interstellar medium (ISM), and describe the destructive effects of stellar winds, jets, and supernova shock waves on interstellar dust. We review the probability that grains…

Astrophysics · Physics 2009-10-30 A. P. Jones , A. G. G. M. Tielens , D. J. Hollenbach , C. F. McKee

This Comment is in response to an Erratum to the paper entitled "The shape and composition of interstellar silicate grains" (Min et al., A&A, 462, 667-676 (2007). The Erratum corrects erroneously cited data but upholds the paper's original…

Astrophysics · Physics 2009-11-13 J. P. Bradley , H. A. Ishii

The distance to the stars is a fundamental parameter, which is determined via two primary methods - parallax and luminosity. While the parallax is a direct trigonometric method, the luminosity distance is usually influenced by interstellar…

Astrophysics of Galaxies · Physics 2024-12-30 Ralf Siebenmorgen , Frank Heymann , Rolf Chini

The pervasive interstellar dust grains provide significant insights to understand the formation and evolution of the stars, planetary systems, and the galaxies, and may harbor the building blocks of life. One of the most effective way to…

Computer Vision and Pattern Recognition · Computer Science 2015-11-23 Min Li , Sudeep Gaddam , Xiaolin Li , Yinan Zhao , Jingzhe Ma , Jian Ge

The reddening properties and the star formation history of a sample of 19 starburst galaxies are investigated using multiwavelength spectroscopy and infrared broad band photometry. The difference in reddening between the ionized gas and the…

Astrophysics · Physics 2008-11-26 Daniela Calzetti

The problem of impulsive heating of dust grains in cold, dense interstellar clouds is revisited theoretically, with the aim to better understand leading mechanisms of the explosive desorption of icy mantles. It is rigorously shown that if…

Astrophysics of Galaxies · Physics 2015-05-27 A. V. Ivlev , T. B. Röcker , A. Vasyunin , P. Caselli

The low density interstellar medium (ISM) close to the Sun and inside of the heliosphere provides a unique laboratory for studying interstellar dust grains. Grain characteristics in the nearby ISM are obtained from observations of…

Astrophysics of Galaxies · Physics 2015-06-05 Priscilla C. Frisch , Jonathan D. Slavin